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	hartrees
Energy at 0K	-78.323415
Energy at 298.15K	-78.326614
HF Energy	-78.040649
Nuclear repulsion energy	33.200443

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3229	3229	0.00
2	A_g	1740	1740	0.00
3	A_g	1402	1402	0.00
4	A_u	1075	1075	0.00
5	B_1u	3206	3206	13.02
6	B_1u	1497	1497	6.82
7	B_2g	979	979	0.00
8	B_2u	3322	3322	22.29
9	B_2u	844	844	0.23
10	B_3g	3296	3296	0.00
11	B_3g	1263	1263	0.00
12	B_3u	999	999	81.53

Atom	y (Å)	z (Å)
C1	0.000	0.668
C2	0.000	-0.668
H3	0.931	1.240
H4	-0.931	1.240
H5	-0.931	-1.240
H6	0.931	-1.240

	C1	C2	H3	H4	H5	H6
C1		1.3369	1.0919	1.0919	2.1230	2.1230
C2	1.3369		2.1230	2.1230	1.0919	1.0919
H3	1.0919	2.1230		1.8610	3.1002	2.4795
H4	1.0919	2.1230	1.8610		2.4795	3.1002
H5	2.1230	1.0919	3.1002	2.4795		1.8610
H6	2.1230	1.0919	2.4795	3.1002	1.8610

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H5	121.549	C1	C2	H6	121.549
C2	C1	H3	121.549	C2	C1	H4	121.549
H3	C1	H4	116.902	H5	C2	H6	116.902

All results from a given calculation for C₂H₄ (Ethylene)

using model chemistry: CISD/cc-pCVDZ

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C2H4 (Ethylene)

using model chemistry: CISD/cc-pCVDZ

States and conformations

All results from a given calculation for C₂H₄ (Ethylene)